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This photo taken March 2, 2013, shows the Internal Revenue Service building at the Federal Triangle complex in Washington, Saturday, March 2, 2013. According to projections by the Tax Policy Center, a research organization based in Washington, wealthy families are paying some of their biggest federal tax bills in decades, even as the rest of the population continues to pay at historically low rates. And a new analysis by the Congressional Budget Office shows that average tax bills for high-incom
/ AP